Timer



FIG. 1 is a front view of a timer showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a perspective view thereof. 

The ornamental design for a timer, as shown and described. 